Poolmaster 23243 1-Ounce OTO Indicator Replacement Solution

Poolmaster's OTO Replacement Solution is a great addition to your pool water testing kit or spa water testing kit. Use to test chlorine and bromine levels, an important element to keep pool water balanced. Use with your current water test kit or water test strips or alone. Poolmaster's Maintenance Collection consists of the essential products for pool and spa maintenance. Items include skimmers and rakes, vacuums and hoses, water treatment tools, brushes and poles, accessories and replacement parts made in various styles, sizes, and quality materials. Items from the Maintenance Collection are constructed with durable materials designed to keep your pool sparkling. For maintaining your pool or spa's water chemistry, Poolmaster's replacement solutions are the perfect choice.